PlainWater
Counties → Washington

Asotin County, Washington

Water Systems
7
Population Served
25,022
Total Violations
219
47 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

100.0%
Systems with Violations
31.3
Avg Violations per System
21.5%
Health-Based Violations

Water Source Types

GW
7 systems (100%)

PFAS Contamination

1
Systems Tested
1
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Asotin Washington water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (7)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
PUD #1 of Asotin County 21,930 133 Clean
Asotin Water Dept 2,531 7 -
Fields Spring State Park 344 1 -
Chief Timothy Park 160 1 -
Beamers Landing 31 67 -
Grand Ronde Ranches #1 20 5 -
Blue Mountain Homesites 6 5 -

Other Counties in Washington

King County
217 systems · 3,193,095 served · 20,636 violations
Pierce County
359 systems · 1,138,508 served · 14,826 violations
Snohomish County
170 systems · 947,238 served · 8,193 violations
Spokane County
164 systems · 621,798 served · 9,829 violations
Clark County
72 systems · 615,931 served · 9,864 violations
Thurston County
322 systems · 395,780 served · 24,330 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Asotin County? ▼
Asotin County has 219 total drinking water violations across 7 water systems, of which 47 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Asotin County systems? ▼
Water systems in Asotin County serve approximately 25,022 people through 7 public water systems.
Has PFAS been detected in Asotin County water? ▼
Of 1 water systems tested for PFAS in Asotin County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Asotin County? ▼
Water systems in Asotin County use GW (7 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 21.5% of Asotin County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.